sdcc/src/SDCCgen.h

   1 /*-------------------------------------------------------------------------
   2   SDCCgen.h - header file for target code generation common functions
   3
   4   Copyright (C) 2012, Borut Razem
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the
   8   Free Software Foundation; either version 2, or (at your option) any
   9   later version.
  10
  11   This program is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with this program; if not, write to the Free Software
  18   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19 -------------------------------------------------------------------------*/
  20
  21 #ifndef SDCCGEN_H
  22 #define SDCCGEN_H 1
  23
  24 #include <stdarg.h>
  25
  26 #include <SDCCicode.h>
  27
  28 #define initGenLineElement()  memset (&genLine.lineElement, 0, sizeof (lineElem_t))
  29 #define labelKey2num(key)     ((key) + 100)
  30
  31 /* can be inherited by each port */
  32 typedef struct asmLineNodeBase
  33 {
  34   int size;
  35   bitVect *regsRead;
  36   bitVect *regsWritten;
  37 }
  38 asmLineNodeBase;
  39
  40 typedef struct lineElem_s
  41 {
  42   char *line;
  43   iCode *ic;
  44   unsigned int isInline:1;
  45   unsigned int isComment:1;
  46   unsigned int isDebug:1;
  47   unsigned int isLabel:1;
  48   unsigned int visited:1;
  49   asmLineNodeBase *aln;
  50 }
  51 lineElem_t;
  52
  53 typedef struct lineNode_s
  54 {
  55 #ifdef UNNAMED_STRUCT_TAG
  56   struct lineElem_s;
  57 #else
  58   /* exactly the same members as of struct lineElem_s */
  59   char *line;
  60   iCode *ic;
  61   unsigned int isInline:1;
  62   unsigned int isComment:1;
  63   unsigned int isDebug:1;
  64   unsigned int isLabel:1;
  65   unsigned int visited:1;
  66   asmLineNodeBase *aln;
  67 #endif
  68   struct lineNode_s *prev;
  69   struct lineNode_s *next;
  70 }
  71 lineNode;
  72
  73 typedef struct genLine_s
  74 {
  75   /* double linked list of lines */
  76   lineNode *lineHead;
  77   lineNode *lineCurr;
  78
  79   /* global line */
  80   lineElem_t lineElement;
  81 } genLine_t;
  82
  83 extern genLine_t genLine;
  84
  85 #ifdef __cplusplus
  86 extern "C" {
  87 #endif
  88
  89 lineNode *newLineNode (const char *line);
  90 lineNode *connectLine (lineNode * pl1, lineNode * pl2);
  91 void destroy_line_list (void);
  92 const char *format_opcode (const char *inst, const char *fmt, va_list ap);
  93 void emit_raw (const char *line);
  94 void va_emitcode (const char *inst, const char *fmt, va_list ap);
  95 void emitcode (const char *inst, const char *fmt, ...);
  96 void emitLabel (const symbol * tlbl);
  97 void genInline (iCode * ic);
  98 void printLine (lineNode *, struct dbuf_s *);
  99 iCode *ifxForOp (const operand *op, const iCode *ic);
 100
 101 #ifdef __cplusplus
 102 }
 103 #endif
 104
 105 #endif